Help? please

The circumference of a circle is 5 pi cm. what is the area of the circle?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is